<HTML>
<HEAD>
<TITLE>JavaScript Source Code 3000:  Forms:  Validation (password)</TITLE>
<META HTTP-EQUIV="JavaScript Source Code 3000" CONTENT = "no-cache">
<META NAME="description" CONTENT="This script works like our Password Verifier, however, it also checks for a minimum length and invalid characters.">
<META NAME="date" CONTENT="2001-02-02">
<META NAME="channel" CONTENT="Web Developer">
<META NAME="author" CONTENT="Russ Swift">
<META NAME="section" CONTENT="Forms">
<SCRIPT LANGUAGE="JavaScript">
<!-- Original:  Russ Swift (rswift220@yahoo.com) -->




<!-- Begin
function validatePwd() {
var invalid = " "; // Invalid character is a space
var minLength = 6; // Minimum length
var pw1 = document.myForm.password.value;
var pw2 = document.myForm.password2.value;
// check for a value in both fields.
if (pw1 == '' || pw2 == '') {
alert('Please enter your password twice.');
return false;
}
// check for minimum length
if (document.myForm.password.value.length < minLength) {
alert('Your password must be at least ' + minLength + ' characters long. Try again.');
return false;
}
// check for spaces
if (document.myForm.password.value.indexOf(invalid) > -1) {
alert("Sorry, spaces are not allowed.");
return false;
}
else {
if (pw1 != pw2) {
alert ("You did not enter the same new password twice. Please re-enter your password.");
return false;
}
else {
alert('Nice job.');
return true;
      }
   }
}
//  End -->
</script>
</HEAD>

<BODY BGCOLOR=#ffffff vlink=#0000ff>

<BR>
<center>
<table width=600 cellpadding=0 cellspacing=10>
<tr>
<td width=468 align=center>

    
    
</td>
<td width=120 align=center>
    
</td>
</tr>
</table>
<BR>
<BR>
<basefont size=3>
<FONT SIZE="+2" FACE="Helvetica,Arial">
<A HREF="../index.htm" /" TARGET="_top"><FONT COLOR="#0000FF"><b>Home</b></font></A>
<img src="../img/arrow.gif" /img/arrow.gif" height=13 width=7 border=0 alt="}">
<A HREF="index.htm" /forms/" ><font color="#FF0000"><b>Forms</b></font></A>
<img src="../img/arrow.gif" /img/arrow.gif" height=13 width=7 border=0 alt="}">
<FONT COLOR="#006666"><b>Validation (password)</b></font></font>
<BR>
<BR>
<table BORDER=0 WIDTH=486 CELLPADDING=3 CELLSPACING=0>
<tr><td><font FACE="helvetica,arial,geneva">
<br>
<br>
<!-- Description --><!--content_start-->
This script works like our Password Verifier, however, it also checks for a minimum length and invalid characters.
<hr>
</td></tr>
</table>
<!-- Demonstration -->
<center>
<form name=myForm onSubmit="return validatePwd()">
Enter your password twice.
<br>
(At least 6 characters, 12 characters max, and spaces are not allowed.)
<p>
Password: <input type=password name=password maxlength=12>
<br>
Verify password: <input type=password name=password2 maxlength=12>
<p>
<input type=submit value="Submit">
</form>
</center>
<P>
<P>
<a name="source">
<table BORDER=0 WIDTH=486 CELLPADDING=3 CELLSPACING=0>
<tr><td BGCOLOR=yellow><font FACE="helvetica,arial,geneva"><b>JavaScript Source Code 3000:  Forms:  Validation (password)</b>
<p>Simply click inside the window below, use your cursor to highlight the script, and copy (type Control-c or Apple-c) the script into a new file in your text editor (such as Note Pad or Simple Text) and save (Control-s or Command-s).  The script is yours!!!
<br><br></font></td></tr>
<tr><td BGCOLOR=yellow ALIGN=CENTER>
<form NAME="copy">

<DIV align="center">
<input type=button value="Highlight All" onClick="javascript:this.form.txt.focus();this.form.txt.select();">&nbsp;&nbsp;&nbsp;&nbsp;
<INPUT TYPE="text" NAME="total" VALUE="Script Size:  1.98 KB" size=24>
</DIV>

<textarea NAME="txt" ROWS=20 COLS=75 WRAP=VIRTUAL>

&lt;!-- TWO STEPS TO INSTALL VALIDATION (PASSWORD):

  1.  Copy the coding into the HEAD of your HTML document
  2.  Add the last code into the BODY of your HTML document  --&gt;

&lt;!-- STEP ONE: Paste this code into the HEAD of your HTML document  --&gt;

&lt;HEAD&gt;

&lt;SCRIPT LANGUAGE="JavaScript"&gt;
&lt;!-- Original:  Russ Swift (rswift220@yahoo.com) --&gt;

&lt;! &gt;
&lt;! &gt;

&lt;!-- Begin
function validatePwd() {
var invalid = " "; // Invalid character is a space
var minLength = 6; // Minimum length
var pw1 = document.myForm.password.value;
var pw2 = document.myForm.password2.value;
// check for a value in both fields.
if (pw1 == '' || pw2 == '') {
alert('Please enter your password twice.');
return false;
}
// check for minimum length
if (document.myForm.password.value.length &lt; minLength) {
alert('Your password must be at least ' + minLength + ' characters long. Try again.');
return false;
}
// check for spaces
if (document.myForm.password.value.indexOf(invalid) &gt; -1) {
alert("Sorry, spaces are not allowed.");
return false;
}
else {
if (pw1 != pw2) {
alert ("You did not enter the same new password twice. Please re-enter your password.");
return false;
}
else {
alert('Nice job.');
return true;
      }
   }
}
//  End --&gt;
&lt;/script&gt;
&lt;/HEAD&gt;

&lt;!-- STEP TWO: Copy this code into the BODY of your HTML document  --&gt;

&lt;BODY&gt;

&lt;center&gt;
&lt;form name=myForm onSubmit="return validatePwd()"&gt;
Enter your password twice.
&lt;br&gt;
(At least 6 characters, 12 characters max, and spaces are not allowed.)
&lt;p&gt;
Password: &lt;input type=password name=password maxlength=12&gt;
&lt;br&gt;
Verify password: &lt;input type=password name=password2 maxlength=12&gt;
&lt;p&gt;
&lt;input type=submit value="Submit"&gt;
&lt;/form&gt;
&lt;/center&gt;

 

&lt;!-- Script Size:  1.98 KB --&gt;</textarea><br><font FACE="helvetica,arial,geneva"></font></td></tr>

</table>
</form>
</FONT>
</CENTER>


</center>
</body></html>
